Marmot PreCip Eco Full-Zip Pants Review

Overview

The Marmot PreCip Eco Full-Zip Pants have been a staple of the mid-range rain gear market for good reason: they combine 10,000mm waterproofing, fully taped seams, and full-length side zippers into a package that won’t break the bank. Now made of recycled NanoPro nylon ripstop fabric, the classic PreCip pant has stepped up to meet the expectations of the more eco-conscious modern buyer. They’re aimed squarely at three-season hikers and backpackers who want a capable, packable rain pant without paying Gore-Tex prices.

Key Specs

Spec	Detail
Weight	312g (11 oz)
Waterproof Rating	10,000mm HH
Breathability	17,000 g/m²/24h
Fabric	NanoPro Eco recycled nylon ripstop (2.5L)
DWR	PFC-free
Seams	Fully taped
Entry System	Full-length dual-slider side zippers
Pockets	2 zippered hand pockets + 1 zippered back pocket
Fit	Regular (also available Short and Long)
MSRP	~$100
Comparison	See how PreCip Eco Full-Zip Pants compares to similar gear

Performance

Waterproofing

The PreCip Eco holds up well in its primary job. During extended periods of heavy rain, water consistently beads off the surface and no moisture makes it through. The recycled nylon fabric, combined with fully taped seams and storm flaps over the zippers, ensures no water penetrates the critical seam points. The 10,000mm rating is honest mid-range territory — these pants will keep you dry in light to moderate rain, but they may not be your best option in sustained heavy weather. That said, I’ve seen users report staying dry through solid downpours. Manage your expectations for multi-day deluges rather than a passing Pacific Northwest squall.

Breathability

On paper, 17,000 g/m²/24h is a strong number for this price point — that’s above average for the category. In practice, the picture is more nuanced. While no rain pant is entirely “sweat-proof” during intense aerobic activity, these perform admirably, managing moisture buildup better than many alternatives. However, some long-time users have been more skeptical: in warmer rainy weather, you can’t unzip the sides or rain will get in, and if you keep them fully zipped, perspiration can build up quickly. This is the fundamental tension in any non-vented rain pant. The good news is the full-length zippers do double duty: the zip can be opened from the top or the bottom to provide ventilation, and the pockets can be unzipped to increase airflow further. Use those vents aggressively on uphills and you’ll manage.

Full-Zip Entry System

This is where the PreCip Eco Full-Zip earns its price premium over the standard ankle-zip model. Each zippered leg has two sliders, allowing for full foot-to-hip and hip-to-foot zipping, which makes sliding the rain pants over hiking pants a cinch. The waterproof boots already on your feet don’t need to come off — the pants slip right over chunky boots without fuss. For anyone who’s ever done the soggy one-legged shuffle trying to pull on rain pants in a downpour, this feature alone justifies the choice. Full-zip is a rare feature at this price range.

Fit and Mobility

The lightweight fabric allows for a full range of motion, and while the fit is relaxed, it provides enough room for layering without feeling restrictive.

The cut of the legs is roomy enough that they don’t pull unless you’re going up a very steep hill.

The elastic waist with velcro adjustment is functional but not elegant —

if you put anything in the rain pant pockets, they tend to slip down off your waist

, which is a real-world annoyance. Size up if you’re planning to layer heavily underneath.

These are true to size if you wear thin hiking pants or a base layer, but upsizing gives you better range of motion for climbing over logs.

Durability

Although the 2.5-layer material feels thin, it’s surprisingly durable — using ripstop nylon helps make the face fabric more abrasion-resistant.

That said,

the cuffs are not reinforced, the fabric in general is thin, and you can easily shred these with crampon points.

These are hikers’ rain pants, not mountaineering hardshells. Treat them accordingly.

The PFC-free DWR finish still beads water effectively after several washes,

which is reassuring — some PFC-free treatments degrade quickly.

Marmot offers a lifetime warranty, so items that are defective in material or workmanship will be repaired or replaced.

Weight in Context

At 312g (11 oz), the PreCip Eco Full-Zip isn’t a gram-counter’s choice. The Outdoor Research Helium comes in under six ounces — nearly half the weight of many pants in the category — though it isn’t as feature-rich. If you’re building a strict UL kit, the Helium or a sub-6 oz cuben option will serve you better. But the PreCip Eco provides an ideal weight-to-performance ratio, ensuring you stay dry without sacrificing comfort or mobility. The full-zip hardware does contribute meaningfully to that 312g number — the full length zippers do add some bulk compared to simpler ankle-zip designs.

Pros & Cons

Pros

• Full-length dual-slider side zippers are genuinely useful — on/off over boots in seconds
• Solid 10,000mm / 17,000 g/m²/24h specs for the price
• PFC-free DWR that holds up through multiple washes
• 100% recycled nylon is a real sustainability step, not just marketing language
• Available in Short, Regular, and Long inseams — rare at this price point
• Three zippered pockets, plus storm flaps over all zippers
• Lifetime warranty

Cons

• 312g is on the heavier end for three-season rain pants; not a UL option
• Breathability under sustained aerobic effort in warm rain is modest — you’ll feel the humidity
• Thin, unreinforced fabric won’t survive sustained bushwhacking or crampon use
• Velcro waist closure can wear out with repeated use
• Side zippers can occasionally catch on the thin face fabric
• Pockets become mostly useless when layered over hiking pants — waist drops with weight

Who Should Buy This

The PreCip Eco Full-Zip is the right call for three-season hikers and backpackers who want a dependable rain pant with no hassle at the trailhead. It’s an excellent choice for eco-conscious adventurers who need reliable rain protection without breaking the bank — the NanoPro Eco technology and recycled construction make it a solid option for hiking, backpacking, and casual outdoor use. The full-zip feature specifically makes it worth the extra cost over the standard model if you hike in boots, wear gaiters, or just hate stopping to undress. It’s not for weight-obsessed UL thru-hikers — look at the OR Helium or a similar minimalist option if every ounce counts. It’s also not the right tool for sustained technical mountaineering, where a more robust hardshell is warranted.

Verdict

The Marmot PreCip Eco Full-Zip Pants are a well-rounded, genuinely versatile rain pant that earns its place in the mid-range category. The full-zip entry system is the real differentiator, and the recycled NanoPro fabric backs up its spec sheet in real conditions. The main tradeoffs are weight and under-exertion breathability — if neither of those concern you, this is a hard pant to argue against at around $100.

Rating: 7.5/10